Scarica Calcolatrice (codice in java) con componente grafico e più Esercizi in PDF di Programmazione Java solo su Docsity!
Calcolatrice
Calcolatrice.java
- To change this license header, choose License Headers in Project Properties.
- To change this template file, choose Tools | Templates
- and open the template in the editor. / package calcolatrice; import static calcolatrice.NewJFrame.jLabelErrore; /*
- @author / public class Calcolatrice { /*
- @param args the command line arguments */ public static void main(String[] args) { // TODO code application logic here NewJFrame calcoli = new NewJFrame(); calcoli.setVisible(true); } }
NewJFrame.java
- To change this license header, choose License Headers in Project Properties.
- To change this template file, choose Tools | Templates
- and open the template in the editor. */ package calcolatrice; import javax.swing.JTextField;
- @author / public class NewJFrame extends javax.swing.JFrame { Valori v = new Valori(); public int contatoreOP = 0; /*
- Creates new form NewJFrame / public NewJFrame() { initComponents(); JTextField jTextField11 = jTextField1; this.jLabelErrore.setVisible(false); } /*
- This method is called from within the constructor to initialize the form.
- WARNING: Do NOT modify this code. The content of this method is always
- regenerated by the Form Editor. */ @SuppressWarnings("unchecked") // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents private void initComponents() { jLabel1 = new javax.swing.JLabel(); jButton11 = new javax.swing.JButton(); jButton1 = new javax.swing.JButton(); jButton2 = new javax.swing.JButton(); jButton3 = new javax.swing.JButton(); jButton4 = new javax.swing.JButton(); jButton8 = new javax.swing.JButton(); jButton5 = new javax.swing.JButton(); jButton6 = new javax.swing.JButton(); jButton7 = new javax.swing.JButton(); jButton9 = new javax.swing.JButton(); jButton0 = new javax.swing.JButton(); jButtonSomma = new javax.swing.JButton(); jButtonUguale = new javax.swing.JButton(); jButtonMoltiplicazione = new javax.swing.JButton(); jButtonDivisione = new javax.swing.JButton(); jButtonSottrazione = new javax.swing.JButton(); jButtonVirgola = new javax.swing.JButton(); jButtonCancella = new javax.swing.JButton();
jButton8.setText("8"); jButton8.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { jButton8ActionPerformed(evt); } }); jButton5.setText("5"); jButton5.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { jButton5ActionPerformed(evt); } }); jButton6.setText("6"); jButton6.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { jButton6ActionPerformed(evt); } }); jButton7.setText("7"); jButton7.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { jButton7ActionPerformed(evt); } }); jButton9.setText("9"); jButton9.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { jButton9ActionPerformed(evt); } }); jButton0.setText("0"); jButton0.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { jButton0ActionPerformed(evt); } }); jButtonSomma.setText("+"); jButtonSomma.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { jButtonSommaActionPerformed(evt);
jButtonUguale.setText("="); jButtonUguale.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { jButtonUgualeActionPerformed(evt); } }); jButtonMoltiplicazione.setText("*"); jButtonMoltiplicazione.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { jButtonMoltiplicazioneActionPerformed(evt); } }); jButtonDivisione.setText("/"); jButtonDivisione.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { jButtonDivisioneActionPerformed(evt); } }); jButtonSottrazione.setText("-"); jButtonSottrazione.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { jButtonSottrazioneActionPerformed(evt); } }); jButtonVirgola.setText(","); jButtonVirgola.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { jButtonVirgolaActionPerformed(evt); } }); jButtonCancella.setText("C"); jButtonCancella.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { jButtonCancellaActionPerformed(evt); } }); jLabel2.setFont(new java.awt.Font("Times New Roman", 0, 18)); // NOI18N jLabel2.setText("Calcolatrice");
jButtonElevamentoN.setText("X^N"); jButtonElevamentoN.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { jButtonElevamentoNActionPerformed(evt); } }); jButtonReciproco.setText("1/N"); jButtonReciproco.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { jButtonReciprocoActionPerformed(evt); } }); jButtonFattoriale.setText("Fattoriale"); jButtonFattoriale.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { jButtonFattorialeActionPerformed(evt); } }); jButtonMem.setText("MEM"); jButtonMem.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { jButtonMemActionPerformed(evt); } }); jButtonM.setText("M+"); jButtonM.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { jButtonMActionPerformed(evt); } }); jButtonSto.setText("STO"); jButtonSto.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { jButtonStoActionPerformed(evt); } }); jLabelErrore.setForeground(new java.awt.Color(255, 51, 51)); jLabelErrore.setText("Errore di sintassi"); javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane()); getContentPane().setLayout(layout); layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createSequentialGroup() .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createSequentialGroup() .addContainerGap() .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addComponent(jTextField1) .addGroup(layout.createSequentialGroup() .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false) .addGroup(layout.createSequentialGroup() .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false) .addComponent(jButton1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE) .addComponent(jButton4, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)) .addGap(18, 18, 18) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addComponent(jButton5, javax.swing.GroupLayout.PREFERRED_SIZE, 43, javax.swing.GroupLayout.PREFERRED_SIZE) .addComponent(jButton2)) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addComponent(jButton3) .addComponent(jButton6)) .addGap(11, 11, 11) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createSequentialGroup() .addComponent(jButtonMoltiplicazione, javax.swing.GroupLayout.PREFERRED_SIZE, 40, javax.swing.GroupLayout.PREFERRED_SIZE) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addComponent(jButtonMem, javax.swing.GroupLayout.PREFERRED_SIZE, 79, javax.swing.GroupLayout.PREFERRED_SIZE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE) .addComponent(jButtonUguale, javax.swing.GroupLayout.PREFERRED_SIZE, 77, javax.swing.GroupLayout.PREFERRED_SIZE))) .addGap(2, 12, Short.MAX_VALUE)) .addGroup(layout.createSequentialGroup() .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createSequentialGroup() .addComponent(jButton7) .addGap(18, 18, 18) .addComponent(jButton8) .addGap(18, 18, 18) .addComponent(jButton9) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED) .addComponent(jButtonDivisione) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addComponent(jButtonM, javax.swing.GroupLayout.PREFERRED_SIZE, 79, javax.swing.GroupLayout.PREFERRED_SIZE)) .addGroup(layout.createSequentialGroup() .addComponent(jButton0, javax.swing.GroupLayout.PREFERRED_SIZE, 96, javax.swing.GroupLayout.PREFERRED_SIZE) .addGap(18, 18, 18) .addComponent(jButtonVirgola, javax.swing.GroupLayout.PREFERRED_SIZE, 39, javax.swing.GroupLayout.PREFERRED_SIZE) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addComponent(jButtonSomma) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addComponent(jButtonCancella, javax.swing.GroupLayout.PREFERRED_SIZE, 77, javax.swing.GroupLayout.PREFERRED_SIZE))) .addGap(0, 0, Short.MAX_VALUE)))) .addGroup(layout.createSequentialGroup() .addGap(43, 43, 43) .addComponent(jLabel2, javax.swing.GroupLayout.PREFERRED_SIZE, 94, javax.swing.GroupLayout.PREFERRED_SIZE) .addGap(73, 73, 73) .addComponent(jLabelErrore, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)))
.addContainerGap()) ); layout.setVerticalGroup( layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createSequentialGroup() .addGap(19, 19, 19) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) .addComponent(jLabel2) .addComponent(jLabelErrore)) .addGap(18, 18, 18) .addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, 46, javax.swing.GroupLayout.PREFERRED_SIZE) .addGap(38, 38, 38) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) .addComponent(jButton7) .addComponent(jButton8) .addComponent(jButton9) .addComponent(jButtonDivisione) .addComponent(jButtonM)) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) .addComponent(jButton4) .addComponent(jButton5) .addComponent(jButtonMoltiplicazione) .addComponent(jButtonMem)) .addComponent(jButton6)) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) .addComponent(jButtonSottrazione) .addComponent(jButton3) .addComponent(jButton2) .addComponent(jButton1) .addComponent(jButtonSto)) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) .addComponent(jButtonVirgola) .addComponent(jButtonSomma) .addComponent(jButton0) .addComponent(jButtonCancella)) .addGap(27, 27, 27)
}//GEN-LAST:event_jButton2ActionPerformed private void jButtonSommaActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButtonSommaActionPerformed boolean isErrore; contatoreOP++; jTextField1.setText(v.SchermoOp("")); isErrore=v.Errori(contatoreOP); if(isErrore){ jLabelErrore.setVisible(true); contatoreOP--; }else{ v.Somma(jTextField1.getText()); } }//GEN-LAST:event_jButtonSommaActionPerformed private void jButtonUgualeActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButtonUgualeActionPerformed jTextField1.setText(v.Risultato(jTextField1.getText())); }//GEN-LAST:event_jButtonUgualeActionPerformed private void jButtonMoltiplicazioneActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButtonMoltiplicazioneActionPerformed boolean isErrore; contatoreOP++; jTextField1.setText(v.SchermoOp("")); isErrore=v.Errori(contatoreOP); if(isErrore){ jLabelErrore.setVisible(true); contatoreOP--; }else{ v.Moltiplicazione(jTextField1.getText()); } }//GEN-LAST:event_jButtonMoltiplicazioneActionPerformed private void jButtonDivisioneActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButtonDivisioneActionPerformed boolean isErrore;
contatoreOP++; jTextField1.setText(v.SchermoOp("")); isErrore=v.Errori(contatoreOP); if(isErrore){ jLabelErrore.setVisible(true); contatoreOP--; }else{ v.Divisione(jTextField1.getText()); } }//GEN-LAST:event_jButtonDivisioneActionPerformed private void jButtonSottrazioneActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButtonSottrazioneActionPerformed boolean isErrore; contatoreOP++; jTextField1.setText(v.SchermoOp("")); isErrore=v.Errori(contatoreOP); if(isErrore){ jLabelErrore.setVisible(true); contatoreOP--; }else{ v.Sottrazione(jTextField1.getText()); } }//GEN-LAST:event_jButtonSottrazioneActionPerformed private void jButtonVirgolaActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButtonVirgolaActionPerformed jTextField1.setText(v.Schermo(".")); }//GEN-LAST:event_jButtonVirgolaActionPerformed private void jButtonCancellaActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButtonCancellaActionPerformed v.Cancella(); jTextField1.setText(""); contatoreOP--; }//GEN-LAST:event_jButtonCancellaActionPerformed private void jTextField1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jTextField1ActionPerformed }//GEN-LAST:event_jTextField1ActionPerformed
v.TAN(jTextField1.getText()); }//GEN-LAST:event_jButtonTANActionPerformed private void jButtonRadiceActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButtonRadiceActionPerformed v.RADICE(jTextField1.getText()); }//GEN-LAST:event_jButtonRadiceActionPerformed private void jButton10ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton10ActionPerformed v.RADennesima(jTextField1.getText()); }//GEN-LAST:event_jButton10ActionPerformed private void jButtonElevamentoNActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButtonElevamentoNActionPerformed v.elevaN(jTextField1.getText()); }//GEN-LAST:event_jButtonElevamentoNActionPerformed private void jButtonReciprocoActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButtonReciprocoActionPerformed v.Reciproco(jTextField1.getText()); }//GEN-LAST:event_jButtonReciprocoActionPerformed private void jButtonFattorialeActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButtonFattorialeActionPerformed v.Fattoriale(jTextField1.getText()); }//GEN-LAST:event_jButtonFattorialeActionPerformed private void jButtonMemActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButtonMemActionPerformed v.Mem(jTextField1.getText()); //mette un valore in memoria }//GEN-LAST:event_jButtonMemActionPerformed private void jButtonMActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButtonMActionPerformed v.M(jTextField1.getText()); //somma al valore in memoria un numero }//GEN-LAST:event_jButtonMActionPerformed private void jButtonStoActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButtonStoActionPerformed jTextField1.setText(v.Sto()); //stampa valore in memoria }//GEN-LAST:event_jButtonStoActionPerformed /**
- @param args the command line arguments
public static void main(String args[]) { /* Set the Nimbus look and feel / //<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) "> / If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
- For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html / try { for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) { if ("Nimbus".equals(info.getName())) { javax.swing.UIManager.setLookAndFeel(info.getClassName()); break; } } } catch (ClassNotFoundException ex) { java.util.logging.Logger.getLogger(NewJFrame.class.getName()).log(java.util.logging.Level. SEVERE, null, ex); } catch (InstantiationException ex) { java.util.logging.Logger.getLogger(NewJFrame.class.getName()).log(java.util.logging.Level. SEVERE, null, ex); } catch (IllegalAccessException ex) { java.util.logging.Logger.getLogger(NewJFrame.class.getName()).log(java.util.logging.Level. SEVERE, null, ex); } catch (javax.swing.UnsupportedLookAndFeelException ex) { java.util.logging.Logger.getLogger(NewJFrame.class.getName()).log(java.util.logging.Level. SEVERE, null, ex); } //</editor-fold> / Create and display the form */ java.awt.EventQueue.invokeLater(new Runnable() { public void run() { new NewJFrame().setVisible(true); } }); } // Variables declaration - do not modify//GEN-BEGIN:variables private javax.swing.JButton jButton0; private javax.swing.JButton jButton1; private javax.swing.JButton jButton10;
